decimal places and significant figures

round 3.79 to 1 dec place

• 4

• 3.7

• 3.8

• 3.80

round 17.651 to 2 dp

• 18

• 17.7

• 17.66

• 17.65

round 2.7598 to 3dp

• 2.759

• 2.760

• 2.76

• 2.860

round 284 to 1 sig fig

• 300

• 3

• 280

• 200

how many sig figs has 3.456 been rounded to?

• 1

• 2

• 3

• 4

How many sig figs is 0.0201

• 5

• 3

• 4

• 2

round 0.002784 to 3 sig figs

• 0.00279

• 0.00278

• 0.00

• 0.002